11444223432 has 128 divisors (see below), whose sum is σ = 30357452160. Its totient is φ = 3590645760.

The previous prime is 11444223391. The next prime is 11444223449. The reversal of 11444223432 is 23432244411.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11444223432.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3434007 + ... + 3437337.

It is an arithmetic number, because the mean of its divisors is an integer number (237167595).

Almost surely, 2^11444223432 is an apocalyptic number.

11444223432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11444223432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15178726080).

11444223432 is an abundant number, since it is smaller than the sum of its proper divisors (18913228728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11444223432 is a wasteful number, since it uses less digits than its factorization.

11444223432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503 (or 3499 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 11444223432 its reverse (23432244411), we get a palindrome (34876467843).

The spelling of 11444223432 in words is "eleven billion, four hundred forty-four million, two hundred twenty-three thousand, four hundred thirty-two".